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If x=ytan(x/2), then (dy)/(dx)=...

If `x=ytan(x/2),` then `(dy)/(dx)=`

A

`(x-sinx)/(1-cosx)`

B

`(sinx-x)/(1-cosx)`

C

`(x+sinx)/(1+cosx)`

D

`(x-cosx)/(1+sinx)`

Text Solution

Verified by Experts

The correct Answer is:
B
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